The temperature above which a material loses its magnetization is called the ________.
a. Darcy temperature
b. Vine temperature
c. Bullard point
d. Curie point
Ans: d. Curie point
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When the net force on an object equals zero, its acceleration
A. is zero. B. and velocity are the same. C. may be zero. D. none of the above
The source of electrons lighting a household lamp is
A. the wire leading to the lamp. B. the electric outlet. C. atoms in the light-bulb filament. D. the power company.
If an area has shallow, intermediate, and deep earthquakes, what can you infer about the area?
A) It is near a subduction zone. B) The shallow earthquakes will be closer to the trench than deeper ones. C) The depth pattern of earthquakes can be used to determine which way the slab is inclined. D) This area has the potential for large earthquakes. E) All of these are correct.
What does it mean when an area is designated as wilderness?
A. The kinds of uses people make of the land is limited. B. Motor vehicles are only allowed for part of the year. C. People cannot use the land. D. None of these are correct.